j_tm_iiis

Tomcat III (S1563D) Jumper Settings


	J13,19-20: CPU Speed

J13	J19	J20	CPU Speed	BUS Speed
1-2, 3-4	OFF	OFF	75 MHz	50MHz - PCI=25MHz
3-4	OFF	OFF	90MHz	60MHz - PCI=30MHz
1-2	OFF	OFF	100MHz	66.67MHz - PCI=33MHz
3-4	ON	OFF	120MHz	60MHz - PCI=30MHz
1-2	ON	OFF	133MHz	66.67MHz - PCI=33MHz
3-4	ON	ON	150MHz	60MHz - PCI=30MHz
1-2	ON	ON	166MHz	66.67MHz - PCI=33MHz
1-2	OFF	ON	200MHz	66MHz - PCI=33MHz
1-2, 3-4	ON	OFF	Cyrix P120+	50MHz - PCI=25MHz
3-4	ON	OFF	Cyrix P150+	60MHz - PCI=30MHz
1-2	ON	OFF	Cyrix P166+	66.67MHz - PCI=33MHz


	J37-44, 52-54: Voltage Regulator Settings for P54C

BOLD = DEFAULT	3.3V	3.5V	3.6V
J37	ON	OFF	OFF
J38	OFF	OFF	ON
J39	OFF	ON	OFF
J40	ON	ON	ON
J41	ON	ON	ON
J42	OFF	OFF	OFF
J43	OFF	OFF	OFF
J44	OFF	OFF	OFF
J52	ON	ON	ON
J53	OFF	OFF	OFF
J54	OFF	OFF	OFF

Default values are for the Intel Pentium P54C.


	J40-44, J52-54: Voltage Regulator Settings for P55C

Jumper/ Voltage	3.0V	2.85V	2.65V
J42	ON	OFF	OFF
J43	OFF	OFF	ON
J44	OFF	ON	OFF
J40	OFF	OFF	OFF
J41	OFF	OFF	OFF
J52	OFF	OFF	OFF
J53	ON	ON	ON
J54	ON	ON	ON


	J1-2, 8-9, 10-12: Memory Voltage Settings (Bold=DEFAULT)

VOLTS	J1	J2	J11	J12	J8*	J9	J10
5V	ON	ON	ON	ON	OFF	OFF	OFF
3.3	OFF	OFF	OFF	OFF	ON	ON	ON

Contact your memory vendor for proper voltage selection. Damage to your system and memory will result if voltage is set improperly! *J8 is located just below the secondary IDE controller. It will be labled as J8 but it will appear like it's J3. If you refer to your manul, it will be just above and to the right of J9.


	J27: Reset Connector

Pin	Assignment
1	Power Good
2	Ground


	J23: Speaker Connector

Pin	Assignment
1	Speaker Out
2	Ground
3	Ground
4	+5 Volts


	J42: Turbo Switch

Pin 1-2	Assignment
Open	Turbo On
Closed	Turbo Off


	J46: Cmos Reset

Pin 1-2	Assignment
Open	Default
Closed	Clear


	J14-15: I/O Port Settings

BOLD = Default	J14	J15
Serial Port Enable	1-2	1-2
LR Port Enable	2-3	2-3


	PS2 Connector Pinouts

This illustration corrects two reversed pins in the manual. The two pins which have changed are 3 and 4 for GND and VCC.

You should purchase this connector from your dealer. Making your own cable is not advisable and may damage your system and/or peripherals.


	J25: Turbo LED Connector

Pin	Assignment
1	Cathode -
2	Anode +


	J24: HDD LED Connector

Pin	Assignment
1	Cathode - IDE1
2	Anode + - IDE1
3	Cathode - IDE1
4	Anode + - IDE2


	J50: APIC for Dual Processing

Pin #	Assignment
2-3	Dual / Single
1-2	Single


	J22: Keylock and Power LED connector

Pin	Assignment
1	LED Output
2	No Connection
3	Ground
4	Keylock
5	Ground

Connect your Power LED from your case across pins 1 and 3. Keylock should be connected across pins 4 and 5.


	Con 7, 9: Infrared interface

Pin	Assignment
1	Signal In
2	Ground
3	Signal Out
4	VCC